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江西一鍋廠， 使用的立式長(zhǎng)軸沒(méi)來(lái)，電機(jī)功率為I5kW.故障為系啟動(dòng)時(shí)，有時(shí)能啟動(dòng)來(lái)，有時(shí)就不能啟動(dòng)。
解決過(guò)程:現(xiàn)場(chǎng)泵盤車靈活，電機(jī)接線正確，電壓正常，但泵輸送的水中含有大量的泥沙，使密封環(huán)之間的摩擦現(xiàn)象較為嚴(yán)重。后來(lái)找來(lái)了電工師傅了解，鋼廠開(kāi)關(guān)柜上的保護(hù)電流調(diào)得較小，又加上泥沙原因，啟動(dòng)電流較大，造成了泵有時(shí)能啟動(dòng)，有時(shí)不能啟動(dòng)。建議在安全范圍內(nèi)適當(dāng)調(diào)大一些保護(hù)電流，泵就很容易啟動(dòng)了。渣漿泵
In Jiangxi No.1 boiler plant, the vertical long shaft used did not come, and the motor power was i5kw. When the fault is system startup, sometimes it can be started, sometimes it can not be started.
Solution process: the pump on site is flexible in turning, the motor wiring is correct and the voltage is normal, but the water delivered by the pump contains a lot of sediment, which makes the friction between the sealing rings more serious. Later, I found an electrician to understand that the protection current on the switch cabinet of the steel plant was adjusted to a small value. In addition, due to the sediment, the starting current was large, which caused that the pump could be started sometimes and could not be started sometimes. It is suggested that the protection current be properly increased within the safe range, so that the pump can be started easily. Slurry pump
